Kenwood DP-1060 User manual

COMPACT
DISC
PLAYER
4
,
+
pP-1060/2060
SENWOOP
SERVICE MANUAL
©1994-9 PRINTED IN KOREA
B51-4978-00 (K) 3880
Panel
Knob
Metallic
cabinet
Panel
(Tray)
(A60-0685-08)DP-2060
(K29-6076-08)
(A01-3205-08)
(A29-0388-08)
(A60-0686-08)DP-1060
Phone jack Knob Knob Foot
(E11-0258-08) (K29-6074-08) (K29-6075-08) (J02-1034-05)
Ac power cord”
Phone
jack
(E30-)
Foot Miniature AC cord bushing
(JO2-1 120-08) Phone jack (J42-0083-05)
(E11-0188-05)
Photo is DP-1060
External view of DP-2060 is same as DP-1O060

DP-1060/2060
ACCESSORIES/CAUTIONS
Accessories
@ Audio cord @ System control cord
(E30-0505-05) (E30-2733-05)
@ Remote contro! unit ® Batteries (R6/AA)
{DP-2060 only) (DP-2060 only)
(A70-0983-05)
Battery cover
(A09-0170-08)
Cautions
Note related to transportation and movement Beware of condensation
Before transporting or moving the CD PLAYER, carry out the When water vapor comes into contact with the surface of cil material,
following
operations.
water
drops
are
produced.
1. Turn the power ON but do not load a disc. lf condensation occurs, correct operation may not be posible, or the
2. Wait a few seconds and verify that the display shown appears. unit may not function correctly.
3. Turn the power OFF. This is not amalfunction, however, the unit should be dried (To do this,
turn the POWER switch ON and leave the unit as it is for se:e ral hours.)
te ee eee Be especially careful in the following conditions:
Ve ee vate @ When the unit is brought from a cold place toa warm plae, and there
is a large temperature difference.
@ When a heater starts operating.
@ When the unit is brought from an air-conditioned place p a place of
high temperature with high humidity.
@ When there is a large difference between the internal tr-nperature
of the unit and the ambient temperature, or in condita ns where
condensation occurs easily.
7
1617 18 18 20

DP-1060/2060
CONTROL
EDIT indicator
REPEAT indicator
pj 1 1 - .
ly Hite CCRS indicator Program Check indicator
PGM
mode
,
od,
SINGLE
TIME
:
=
:
Music
SPACE
_
TOTAL
_
TIME
:
calender
as PoP Bole 2 14. te. Va 14. 15:
indicator
|
eb
te
“7
,
(1~20)
Playback
indicator Pause indicator
ets TIME counter, Program No.
EDIT file indicators SINGLE TIME
TOTAL TIME
TRACK NO. indicator
PROGRAM
MODE key
POWER switch
TIME
DISPLAY
key
Open/Close
key
|[))
Disc tray Play/Pause key ([>/11) |
REPEAT
key
vitae
yi
:
Stop
key
(=)
EDIT key
Remote
control
sensor
woo
ke
.
PHONES
jack
|
CHECK
key
(DP-2060
only)
[<<],
Numeric
keys
Skip
leeys
{
(1)
=
[0]
’
)
(<<
(eP))
SPACE
key
CLEAR
key
:

DP-1060/2060
REMOTE CONTROL
The operations of each are the same as those of the keys in the unit.
@ Loading batteries
Numeric
keys
1
Remove
the
cover.
((1] ~ (ol, )
CHECK key
P.MODE key CLEAR key
EDIT key TIME DISPLAY key
REPEAT key Skip keys
Search
keys
Play/pause
key
Stop key
KENWOOD
REMOTE CONTROL UNIT
AC -PO200
Insert two batteries (R6/AA) as
indicated by the polarity marking.
Model: RC-P0200
Infrared system

MECHANISM ASS'Y
TRACKING
ERROR
BALANCE ADJ.
FOCUS GAIN
ADJ.
TRACKING
GAIN ADJ.
IC6 LA6524
FOCUS
DRIVER
TRACKING
DRIVER
FEED
DRIVER
DISC MOTOR
DRIVER
LOADING
DRIVER
: VR1
VR3
IC1
—«
RF AMP/
SERVO VRE ys
CONTROL
LAS211M cag ao
LASER CONTROL
IC2
DSP
LC78681E
4.19MHz
p-COM
uPD75216ACW-
W75
ICS
RESET
PST600D
IC3
— 6M) IC11
D/A
Ee _.ecanventen ae FER a
TC9268P .
16.9344MHz
FL DISPLAY
eb. ve
MATRIX
BUSY/DATA SYNCHRO
OUT
WVYSVId 40014
090¢/0901-dd

DP-1060/2060
CIRCUIT DESCRIPTION
1. Test mode
1-1. Setting the test mode
This microprocessor bduilt in this unit can be put to
TEST MODE (SW 10).
POWER ON
Test mode YES
key (SW10)
pressed ?
Track No. “01"
is displayed.
¥ES
Tray is closed
NO
Test mode process is Press PLAY key
performed
Track No.7, 8 and 6
Press
STOP
key
are
programmed
automatically

DP-1060/2060
CIRCUIT
DESCRIPTION
1-2. Key and functions valid in test mode
Track No. display
(1)
Focusing
S€fVO
oo...
ees
ON
TRACK
NO.
(2)
Trackinia
Serv0:
fiisuteanesans:
ON
mM
G
(3)
Feed
V@rvo
ooo.
....cccccccececeee
terete
ness
Ll
au
Displayed for a few seconds after
completion (1), (2) and (3).
L
Disc Track No. is displayed.
(1)
FOCUSING
SEFVO
4.220.026
ccneaseseceness
TRACK
NO.
(2)
Tracking
S@IVO
.......cc
eee
OFF
i]
7
(3)sFOGC SONVO niin dacs aerwian
(1) FOCUSING SEIVO: tesimicrcmnnedten: OFF
(2) Tracking SEO ....... eee OFF
(3) Feed S@ro 0... cceteeeees
In
the
STOP
mode,
moves
the
pickup
slightly
toward
the
outer
position
of
disc.
When
feed
servo
is
ON,
sets
the
track
gain
to
"H".
In
the
STOP
mode,
moves
the
pickup
slightly
toward
the
inner
position
of
disc.
When
feed
servo
is
ON,
sets
the
track
gain
to
“L”.
Turns
all
FL
display
lamps
ON.
TRACK NO.
fi of
TRACK NO.
cet
mc
TRACK NO.
ot i)
tJ
Turns all FL display lamps OFF. ‘TRACK NO." is lighted.
Playback Track No.1 under High-speed mode (If not open tray, SPACE key
function is avaitabie. }
are programmed and set is in STOP mode.
The test mode is canceled.
Ke
Y
Number of tracks 1 4 | 128 | 512} 1000
Outer
Key dt
Number of tracks 128 | 512
5
\
“REPEAT” figures is lighted.
13
|
REPEAT
CVS
Tay
coc
aris
aes
Acadia
caue
i
eetcrtne
Opened
TRACK
NO.
(2)
RSSEr
ct
oesitaite
einem:
ON
clo
The
REPEAT
function
is
canceled
when
the
tray
is
closed
by
pressing
the
tray.
Ci
C
REPEAT
mode
:
Press
"REPEAT"
key
>
Press
"OPEN/CLOSE"
key
—
Press
"REPEAT"
key...

DP-1060/2060
INPUT OUTPUT PLAYER ALIGNMENT
TTEM
SETTING
SETTING
SETTING
POINT
ALIGN
FOR
FIG.
Turn on the SWi0
¥CO
(TEST MODE)
to enter
2 TRACKING ERROR
BALANCE
the test mode.
Press the STOP
FOCUS GAIN
. TRACKING GAIN
H.F. LEVEL
CONFIRMATION
CNOTE) Type 4 dise : SONY YEDS-18 TEST DISC or equivalent.
Adjustment prcedures are in TEST MODE.
Connect the frequency
counter to "VCO" and
GND.
Test dise
Type
4
4.
QOMHz+15kHz
Ca)
key.
Then, confirm that
the display is “01”
|
Press the
OPEN/CLOSE key to
open the tray. Symmetry between
Reset to TEST mod upper and lower
Then, press the VR1 patterns,
CHECK key. or DC=0+0.05¥
Confirm that the
display is “03”.
8
om
Connect the oscillo-
scope to “T.ER”.
Test disc
Type 4
Connect a LPF to R61
(F.P.- F.E.) ,to which
connect two AC volt-
Test dise
Type 4
Apply signal of
lkHz, 0.5¥rms to
ROECE Pos Pete).
Test disc
Type 4
Apply signal of
1kHz, 0.5¥rms to
R63CT.P.- T.E.).
Test disc
Type 4
Press the PLAY key
Confirm that the
display is “05”.
Two VIVMs should
read the same value.
meters.
Connect a LPF to R63
(T.P.- T.E.) ,to which
connect two AC volt-
Press the PLAY ke
Confirm that the
display is “05”,
Two VT¥YMs siould
read the sam value.
meters.
Press the PLAY ke
Confirm that the
“05°.
Connect the oscillo-
scope
to
"H.F.”,
1.5Vp-p
~
i.5Vp-p
uo
display is
(c) Focus gain (d) Tracking gain
47k FP.
AC
AC
1kHz
voltmeter
tkHe
voltmeter
0.5Vrms 0.5Vrms
AC
AC
voltmeter
voltmeter
reais
|
L.P.F
(Component side)

RF level, TE waveform
(b) Tracking error balance
PSU ATL E+
DP-1060/2060
ADJUSTMENT
e RF signal and E.Spot signal in test mode (PLAY).
e if the diffraction grating has been adjusted properly, the
influence of triggering is observed on the E.Spot waveform
CH1 is
of approx. 18us after RF signal, in the form of a projection.
RF signal
=— 0(V)
= 0(V)
CH2
TE siganl
e RF signal and T.Error signal; in test mode (Focusing ON).
CH1 (Disc type 4)
RF signal e¢ Adjust T.Error so that the waveform is symmetrical above
and below OV. (VR 1)
=— O(V)
}—*-0(V)
CH2
TE signal
PC BOARD (COMPONENT SIDE V
YaMOd
AFIN D’ ASSURER
Refer to the schematic diagram for the value of resistors and capacitors.
UNE P ROTE (
IEW)
TOXLNOD
W3A3LSAS
LNaino
otany
10

ee “
PC BOARD (COMPONENT SIDE VIEW)
(c) Focus gain : | (d) Tracking gain :
Two VTVMs shulid read the same value. Two VTVMs shulid read the same value.
1.0 kHz
0.5Vrms
Frequency counter
(a) VCO : 4.05MHz15kHz
(6b) Tracking error balance : ue tee i oat
€) m.r Levei contimation :
Symmetry between
)
upper
and
lower
t-OVP-p~2.5Vp-p
or
DC=0+0.05V
}
;
Oscilloscope Oscilloscope
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
11
:
if